Citation: Bt. Johnson et al., beta-Hemolytic streptococci and other beta-hemolytic organisms in apical periodontitis and severe marginal periodontitis, ENDOD DENT, 15(3), 1999, pp. 102-108
Citation: Bp. Bohning et al., The effect of guided tissue regeneration on the healing of osseous defectsin rat calvaria, J ENDODONT, 25(2), 1999, pp. 81-84